CN209425064U - A kind of double main shaft double knife towers numerically-controlled machine tools - Google Patents
A kind of double main shaft double knife towers numerically-controlled machine tools Download PDFInfo
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- CN209425064U CN209425064U CN201821710364.9U CN201821710364U CN209425064U CN 209425064 U CN209425064 U CN 209425064U CN 201821710364 U CN201821710364 U CN 201821710364U CN 209425064 U CN209425064 U CN 209425064U
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Abstract
The utility model belongs to field of mechanical technique, refer in particular to a kind of double main shaft double knife towers numerically-controlled machine tools, including lathe bed, a carriage, the second main shaft module and third carriage are respectively equipped on lathe bed, first carriage, the second carriage and third carriage include a hydraulic cylinder, hydraulic cylinder includes cylinder barrel, is installed in cylinder barrel one end and by the cylinder bottom of cylinder barrel sealing and the piston component that is plugged in cylinder barrel, piston component includes piston seat and piston rod, and the prominent cylinder barrel in the one end of piston rod far from cylinder bottom is set；Cylinder bottom side is provided with pressure release passage, pressure release passage is provided with through-hole towards the side of cylinder barrel, pressure release passage is connect with safety valve internal screw thread, and the threaded one end of pressure release passage is connected with the first oil abutted against with safety valve and blocks up, and it is stifled that the other end of pressure release passage is threaded with the second oil.The purpose of the utility model is to provide a kind of stable structure, work efficiency is high, double main shaft double knife towers numerically-controlled machine tools highly-safe, with long service life.
Description
Technical field
The utility model belongs to field of mechanical technique, refers in particular to a kind of double main shaft double knife towers numerically-controlled machine tools.
Background technique
Currently, the hydraulic cylinder on lathe is that hydraulic energy is changed into mechanical energy, does straight reciprocating motion or pendulum motion
Hydraulic actuator, its structure is simple, reliable operation, when realizing reciprocating motion, can remove deceleration device from, and do not have with it
There is drive gap, movement is steady, therefore is used widely in the hydraulic system of various machinery.
Hydraulic cylinder generally comprises cylinder barrel, cylinder bottom, standby cap, piston and the affixed piston rod of piston and sealing structure, hydraulic
Cylinder is in debugging and operational process, and under the unusual conditions such as maloperation, non-loaded or apparatus failure, piston rod is stretched out or is retracted into
The mechanical coupling strength of oil pressure, thrust hydraulic cylinder or pulling force beyond cylinder barrel, cylinder bottom and standby cap is continued to after the limit, will be gone out
Extreme limit of travel, the damage of this burst often lead to equipment significant trouble and can not restore for a long time, and therefore, it is necessary to a kind of dresses
It sets to protect hydraulic cylinder, and can restore rapidly to work normally after unusual condition elimination.
Such as application No. is the Chinese patents of 200680016137.X, disclose a kind of hydraulic cylinder, install in the end face of piston
There is compression panel, and be vertically equipped with supporting member, on supporting member, successively sliding gomphosis has disc spring, plate, column from compression panel side
Plug, these components are using lip portions and by anti-avulsion, and when piston nearly forms end, plunger is inserted into oil circuit and assigns piston
Buffer function.
When exterior line rupture causes backhaul traffic to sharply increase, load can fall and cause danger moment.
Utility model content
The purpose of the utility model is to provide a kind of stable structure, work efficiency is high, highly-safe, with long service life double
Main shaft double knife towers numerically-controlled machine tool.
Purpose of the utility model is realized as follows: a kind of double main shaft double knife towers numerically-controlled machine tools, including lathe bed, the bed
It is provided with a fixed frame with it, the fixed frame side is provided with a parallel guide rail, and the left and right sides is respectively provided on the guide rail
There is the first carriage for horizontally slipping, it is sliding that slide up and down second is separately provided on first carriage
It moves device and for sliding up and down third carriage, first for clamping parts is provided on second carriage
Main shaft module, the first main shaft module lower section are provided with corresponding first knife tower, and the first knife tower is mounted on bed
With；It is provided with a second knife tower for clamping difference cutter on the third carriage, is set below the second knife tower
It is equipped with corresponding second main shaft module, second main shaft module is mounted on lathe bed；First carriage,
Second carriage and third carriage include a hydraulic cylinder, and the hydraulic cylinder includes cylinder barrel, is installed in cylinder barrel one end
And the cylinder bottom of cylinder barrel sealing and the piston component being plugged in cylinder barrel, the piston component are included piston seat and can
Dismantle the piston rod being fixedly connected on piston seat, the prominent cylinder barrel setting in the one end of the piston rod far from cylinder bottom；The cylinder bottom
Side is provided with pressure release passage, and the pressure release passage is provided with through-hole, spiral shell in the pressure release passage and safety valve towards the side of cylinder barrel
Line connection, the threaded one end of the pressure release passage are connected with that the first oil abutted against with safety valve is stifled, the pressure release passage it is another
Threaded one end is connected with the second oil and blocks up, and the stifled diameter of second oil is greater than the diameter that the first oil blocks up.
Preferably, nut, the inner wall of the nut and work are threaded on inner wall of the cylinder barrel far from cylinder bottom one end
Stopper rod abuts against, and the junction between side wall and outer wall of the nut towards piston seat cuts with the section being obliquely installed, in institute
It states and is provided with the driver slot that notch is arranged outward on the outer wall of nut.
Preferably, the junction of side wall of the nut towards cylinder bottom and nut outer wall is provided with square groove and in square groove and spiral shell
The junction of cap outer wall is provided with rounding corner structure；The nut is towards being provided with dustproof groove on the side wall of piston rod and in dustproof groove
It is inside embedded with dustband, the dustband is abutted against with piston rod.
Preferably, through slot is provided on the side wall of the piston seat, the piston rod is plugged in through slot and slides with piston seat
Connection is equipped in the other end of piston rod piston rod being fixed on the fixation kit on piston seat, and the fixation kit includes spiral shell
Female and screw rod, the screw rod are fixedly connected with piston rod, and the screw rod plugs and protrudes through slot setting, screw rod jag and spiral shell
Box thread connection.
Preferably, first main shaft module and the second main shaft module include main axle unit, described main axle unit one end
Equipped with cylindrical drive shaft, the main axle unit other end is equipped with cylindrical clamping axis, the main axle unit, drive shaft with
Axis is clamped using coaxial arrangement, the clamping axis is equipped with several holding holes, and the drive shaft outer circle is equipped with several radiating grooves,
The main axle unit outer circle is equipped with helicla flute, and the helicla flute is connected to setting with radiating groove；There are four being set on the clamping axis
Holding holes, the axis extended line of four holding holes are in cross-shaped structure.
Preferably, it is provided with a scroll chuck in the clamping axis, the scroll chuck includes disk body, claw, the disk body
Side is provided with claw, and the claw is equipped with pressing plate and cone seat, and cone seat is equipped with bail and circlip, and the pressing plate is in circular arc
Shape is connected to the front end of claw, and cone seat is evenly distributed on the inner wall of pressing plate, and bail is vertically inserted in cone seat, slides with cone seat
Connection.
Compared with the prior art, the utility model has prominent and beneficial technical effects that:
1. the utility model is in use, the stifled control hydraulic cylinder of the first oil can be opened and started to work, due to hydraulic cylinder
Inside can generate biggish pressure, the hydraulic oil when extraneous pipeline rupture inside hydraulic cylinder can from pipeline rupture from flow
Out, hydraulic cylinder internal pressure change dramatically is caused, after safety valve is arranged, when extraneous pipeline rupture, safety valve can be closed, energy
Enough prevent the pressure inside cylinder barrel from change dramatically occurs, proof load will not fall and cause danger moment, increase the reality of equipment
With property effect.Increase the leakproofness effect of hydraulic cylinder；Equipment facilitates installation or disassembly；Increase the practicability effect of equipment
Fruit.
2. the utility model is threadedly coupled nut when in use, enable more stable between nut and cylinder barrel consolidate
It is fixed, so that the leakproofness effect of equipment increases, while increasing the practicability effect of equipment.In side wall of the nut towards piston rod
Edges and corners are provided with rounding corner structure, so that nut will not cause to wear to piston rod in use, can effectively increase work
The service life of stopper rod increases the practicability effect of equipment.Driver slot there are two being opened on the outer wall of nut, so that using
When can block in driver slot and set drive rod, nut is controlled by drive rod and is rotated, enables nut in installation process
The more stable fixation between cylinder barrel increases the stability and practicability effect of equipment.
3. the utility model is provided with square groove on the side wall of nut and is provided in square groove and the edges and corners of nut junction
Rounding corner structure, so that being easy installation or disassembly nut in use, equipment operation is convenient, increases the practical of equipment
Property effect.Be provided with dustproof groove on the side wall towards piston rod of nut and be embedded dustband, enable to use or
It prevents from extraneous water, dust or other sundries from entering in the cylinder barrel of hydraulic cylinder in placement process to pollute oil plant, make
The practicability effect for obtaining equipment increases.
4. the utility model by using above scheme, through slot is provided on the side wall of piston seat and is plugged in through slot
Piston rod so that be detachably fixed connection between piston rod and piston seat, enable to facilitate in use installation or
Piston rod is dismantled, the practicability effect of equipment is increased.Fixation kit includes locking nut, when in use will by locking nut
Piston rod is fixed on piston seat, facilitates installation or disassembly, increases the practicability effect of equipment.
5. the utility model uses such structure setting, by bolt insertion holding holes when installation, by main axle unit
It clamps, increases the stability of main axle unit, radiating groove is equipped in drive shaft outer circle, main shaft body outer circle is equipped with spiral
Slot, when installation, semi-circular recesses corresponding with spindle box support frame formed the hot channel being coiled on main axle unit, and can be with
Lubricating oil is poured into, friction is effectively reduced, improves the heat-sinking capability of main axle unit.
6. pressing plate and cone seat is arranged in the utility model on scroll chuck, increase contact area, and card is set in cone seat
Nail and circlip, formation hammer into formula bindiny mechanism.In use, pressing plate and cone seat simultaneously advance with the propulsion of claw, bail is forced
Tube body is squeezed, the pointed tip of bail is pierced into the surface of tube body under pressure, and pre-tightens under the action of circlip, with tube body
It is linked together, substantially increases degree of being completely embedded, loosening when effectivelying prevent work.
Detailed description of the invention
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the utility model hydraulic cylinder overall structure diagram；
Fig. 3 is the schematic diagram of the utility model piston rod Yu piston seat connection structure；
Fig. 4 is the schematic diagram of the utility model nut Yu cylinder barrel connection relationship；
Fig. 5 is the structure diagram of the utility model main axle unit；
Fig. 6 is the structure diagram of the utility model scroll chuck.
In figure: 1- cylinder barrel；11- cylinder bottom；111- pressure release passage；The first oil of 1111- is stifled；The second oil of 1112- is stifled；1113-O
Shape sealing ring；112- safety valve；12- piston seat；121- threaded rod；122- locking nut；123- piston rod；124- seal groove；
1241- piston seat sealing ring；13- nut；The section 131-；132- square groove；1321- rounding corner structure；133- dustproof groove；1331-
Dustband；134- driver slot；2- lathe bed；3- fixed frame；31- guide rail；The first carriage of 32-；The second carriage of 33-；
34- third carriage；The first main shaft module of 35-；36- the first knife tower；37- the second knife tower；The second main shaft module of 38-；4- liquid
Cylinder pressure；5- main axle unit；52- drive shaft；53- clamps axis；55- helicla flute；56- radiating groove；57- holding holes；6- three-jaw card
Disk；61- disk body；62- claw；65- cone seat；66- bail；67- circlip；68- pressing plate.
Specific embodiment
The utility model is described further with specific embodiment below.
As shown in figures 1 to 6, it is solid to be provided with one on the lathe bed 2 for a kind of double main shaft double knife towers numerically-controlled machine tools, including lathe bed 2
Determine frame 3,3 side of fixed frame is provided with a parallel guide rail 31, and the left and right sides is provided with for a left side on the guide rail 31
First carriage 32 of right sliding is separately provided for the slide up and down second sliding on first carriage 32
Device 33 and for sliding up and down third carriage 34, is provided with one for clamping parts on second carriage 33
The first main shaft module 35, be provided with corresponding first knife tower 36 below first main shaft module 35, described first
Knife tower 36 is mounted on lathe bed 2；A second knife tower 37 for clamping difference cutter is provided on the third carriage 34,
Corresponding second main shaft module 38 is provided with below the second knife tower 37, second main shaft module 38 is mounted on
On lathe bed 2；First carriage 32, the second carriage 33 and third carriage 34 include a hydraulic cylinder 4,
The hydraulic cylinder 4 includes cylinder barrel 1, is installed in 1 one end of cylinder barrel and by cylinder bottom 11 that cylinder barrel 1 seals and is plugged in cylinder barrel 1
Interior piston component, the piston component include piston seat 12 and are detachably fixed the piston rod being connected on piston seat 12
123, the prominent cylinder barrel 1 in the one end of the piston rod 123 far from cylinder bottom 11 is arranged；11 side of cylinder bottom is provided with pressure release passage 111,
The pressure release passage 111 is provided with through-hole towards the side of cylinder barrel 1, and the pressure release passage 111 is connect with 112 internal screw thread of safety valve,
The threaded one end of the pressure release passage 111 is connected with the first oil stifled 1111 abutted against with safety valve 112, the pressure release passage
111 other end is threaded with the second oil stifled 1112, and the diameter of second oil stifled 1112 is greater than the straight of the first oil stifled 1111
Diameter.
Preferably, it is threaded with nut 13 on the inner wall of the cylinder barrel 1 far from 11 one end of cylinder bottom, the nut 13
Inner wall is abutted against with piston rod 123, and the junction between side wall and outer wall of the nut 13 towards piston seat 12 cuts with inclination
The section 131 of setting is provided with the driver slot 134 that notch is arranged outward on the outer wall of the nut 13.
Preferably, the junction of side wall of the nut 13 towards cylinder bottom 11 and 13 outer wall of nut be provided with square groove 132 and
Rounding corner structure 1321 is provided in the junction of square groove 132 and 13 outer wall of nut；The side wall of the nut 13 towards piston rod 123
On be provided with dustproof groove 133 and be embedded with dustband 1331 in dustproof groove 133, the dustband 1331 and 123 phase of piston rod
It abuts.
Preferably, through slot is provided on the side wall of the piston seat 12, the piston rod 123 is plugged in through slot and piston seat
12 sliding connections, are equipped in the other end of piston rod 123 piston rod 123 being fixed on the fixation kit on piston seat 12, described
Fixation kit includes nut 122 and screw rod 121, and the screw rod 121 is fixedly connected with piston rod 123, and the screw rod 121 plugs
And prominent through slot setting, 121 jag of screw rod are threadedly coupled with nut 122.
Preferably, it is provided in seal groove 124 and seal groove 124 on the periphery of the piston seat 12 and is embedded with piston
Seat sealing ring 1241.
Preferably, O-ring seals 1113 are installed on the periphery of second oil stifled 1112 and the first oil stifled 1111.
During installation, first cylinder bottom 11 is welded on the side wall of 1 one end of cylinder barrel and seals one end of cylinder barrel 1, by piston seat
Sealing ring 1241 is embedded in seal groove 124, and dustband 1331 is embedded in dustproof groove 133, by nut 13 from threaded rod
It is set at 121 on piston rod 123, then the threaded rod 121 for being installed in 123 one end of piston rod is plugged in piston seat 12,
One end of the prominent piston seat 12 of threaded rod 121 enables piston rod 123 to be stably fixed to piston by the fixation of nut 122
On 12, then nut 13 is threaded on 1 inner wall of cylinder barrel.
Safety valve 112 is threaded in through slot again, the both ends of pressure release passage 111 pass through stifled 1111 Hes of the first oil respectively
Stifled 1112 sealing of second oil, completes the installation of equipment.
Preferably, first main shaft module 35 and the second main shaft module 38 include main axle unit 5, the main axle unit
(5) one end is equipped with cylindrical drive shaft 52, and main axle unit (5) other end is equipped with cylindrical clamping axis 53, the master
Using being coaxially disposed, the clamping axis 53 is equipped with several holding holes 57, described for axle unit (5), drive shaft 52 and clamping axis 53
52 outer circle of drive shaft is equipped with several radiating grooves 56, and main axle unit (5) outer circle is equipped with helicla flute 55, the helicla flute 55
Setting is connected to radiating groove 56；It is set on the clamping axis 53 there are four holding holes 57, the axis of four holding holes 57 extends
Line is in cross-shaped structure.
Preferably, it being provided with a scroll chuck 6 in the clamping axis 53, the scroll chuck 6 includes disk body 61, claw 62,
61 side of disk body is provided with claw 62, and the claw 62 is equipped with pressing plate 68 and cone seat 65, and cone seat 65 is equipped with bail 66
With circlip 67, the pressing plate 68 is arc-shaped, and is connected to the front end of claw 62, and cone seat 65 is evenly distributed on the inner wall of pressing plate 68
On, bail 66 is vertically inserted in cone seat 65, is slidably connected with cone seat 65.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (6)
1. a kind of double main shaft double knife towers numerically-controlled machine tools, which is characterized in that including lathe bed (2), it is solid that one is provided on the lathe bed (2)
Determine frame (3), fixed frame (3) side is provided with a parallel guide rail (31), and the left and right sides is respectively provided on the guide rail (31)
There is the first carriage (32) for horizontally slipping, is separately provided for sliding up and down on first carriage (32)
The second carriage (33) and for sliding up and down third carriage (34), be provided on second carriage (33)
One is used for the first main shaft module (35) of clamping parts, and corresponding the is provided with below first main shaft module (35)
One knife tower (36), the first knife tower (36) are mounted on lathe bed (2)；One is provided on the third carriage (34) to be used for
Second knife tower (37) of clamping difference cutter, the second knife tower (37) lower section are provided with a corresponding second main shaft mould
Block (38), second main shaft module (38) are mounted on lathe bed (2)；
First carriage (32), the second carriage (33) and third carriage (34) include a hydraulic cylinder
(4), the hydraulic cylinder (4) include cylinder barrel (1), be installed in cylinder barrel (1) one end and by cylinder barrel (1) sealing cylinder bottom (11), with
And it is plugged in the piston component in cylinder barrel (1), the piston component includes piston seat (12) and is detachably fixed and is connected to work
Piston rod (123) on obturating plug (12), the one end of the piston rod (123) far from cylinder bottom (11) prominent cylinder barrel (1) setting；It is described
Cylinder bottom (11) side is provided with pressure release passage (111), and the pressure release passage (111) is provided with through-hole towards the side of cylinder barrel (1), described
Pressure release passage (111) is connect with safety valve (112) internal screw thread, and the threaded one end of the pressure release passage (111) is connected with and safety
The first oil that valve (112) abuts against is stifled (1111), and it is stifled that the other end of the pressure release passage (111) is threaded with the second oil
(1112), the diameter of second oil stifled (1112) is greater than the diameter of the first oil stifled (1111).
2. a kind of double main shaft double knife towers numerically-controlled machine tools according to claim 1, which is characterized in that the cylinder barrel (1) is separate
It being threaded with nut (13) on the inner wall of cylinder bottom (11) one end, inner wall and the piston rod (123) of the nut (13) abut against,
Junction between the side wall and outer wall of the nut (13) towards piston seat (12) cuts with the section (131) being obliquely installed,
The driver slot (134) that notch is arranged outward is provided on the outer wall of the nut (13).
3. a kind of double main shaft double knife towers numerically-controlled machine tools according to claim 2, which is characterized in that the nut (13) towards
The side wall of cylinder bottom (11) and the junction of nut (13) outer wall be provided with square groove (132) and square groove (132) and nut (13) outside
The junction of wall is provided with rounding corner structure (1321)；Dustproof groove is provided on the side wall of the nut (13) towards piston rod (123)
(133) and in dustproof groove (133) it is embedded with dustband (1331), the dustband (1331) offsets with piston rod (123)
It connects.
4. a kind of double main shaft double knife towers numerically-controlled machine tools according to claim 1, which is characterized in that the piston seat (12)
Through slot is provided on side wall, the piston rod (123) is plugged in through slot to be connected with piston seat (12) sliding, in piston rod (123)
The other end be equipped with piston rod (123) be fixed on the fixation kit on piston seat (12), the fixation kit includes nut
(122) it is fixedly connected with screw rod (121), the screw rod (121) with piston rod (123), the screw rod (121) plugs and protrudes
Through slot setting, screw rod (121) jag are threadedly coupled with nut (122).
5. a kind of double main shaft double knife towers numerically-controlled machine tools according to claim 1, which is characterized in that first main shaft module
(35) and the second main shaft module (38) includes main axle unit (5), and described main axle unit (5) one end is equipped with cylindrical drive shaft
(52), main axle unit (5) other end is equipped with cylindrical clamping axis (53), the main axle unit (5), drive shaft (52) with
Axis (53) are clamped using coaxial arrangement, the clamping axis (53) is equipped with several holding holes (57), drive shaft (52) outer circle
It is equipped with several radiating grooves (56), main axle unit (5) outer circle is equipped with helicla flute (55), the helicla flute (55) and heat dissipation
Slot (56) connection setting；It is set on the clamping axis (53) there are four holding holes (57), the axis of four holding holes (57) prolongs
Long line is in cross-shaped structure.
6. a kind of double main shaft double knife towers numerically-controlled machine tools according to claim 5, which is characterized in that in the clamping axis (53)
It is provided with a scroll chuck (6), the scroll chuck (6) includes disk body (61), claw (62), and disk body (61) side is provided with
Claw (62), the claw (62) are equipped with pressing plate (68) and cone seat (65), and cone seat (65) is equipped with bail (66) and circlip
(67), the pressing plate (68) is arc-shaped, and is connected to the front end of claw (62), and cone seat (65) is evenly distributed on the interior of pressing plate (68)
On wall, bail (66) is vertically inserted on cone seat (65), is slidably connected with cone seat (65).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821710364.9U CN209425064U (en) | 2018-10-22 | 2018-10-22 | A kind of double main shaft double knife towers numerically-controlled machine tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821710364.9U CN209425064U (en) | 2018-10-22 | 2018-10-22 | A kind of double main shaft double knife towers numerically-controlled machine tools |
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| Publication Number | Publication Date |
|---|---|
| CN209425064U true CN209425064U (en) | 2019-09-24 |
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ID=67966308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821710364.9U Active CN209425064U (en) | 2018-10-22 | 2018-10-22 | A kind of double main shaft double knife towers numerically-controlled machine tools |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168086A (en) * | 2020-01-09 | 2020-05-19 | 佛山市金劳达自动化设备有限公司 | Double-servo turret numerical control lathe |
| CN113103058A (en) * | 2021-05-06 | 2021-07-13 | 杭州川上机械科技有限公司 | Double-spindle double-tool tower machine tool |
-
2018
- 2018-10-22 CN CN201821710364.9U patent/CN209425064U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111168086A (en) * | 2020-01-09 | 2020-05-19 | 佛山市金劳达自动化设备有限公司 | Double-servo turret numerical control lathe |
| CN113103058A (en) * | 2021-05-06 | 2021-07-13 | 杭州川上机械科技有限公司 | Double-spindle double-tool tower machine tool |
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